08:41

Which Planet Has the Best Eclipse?

03:59

Why Do Eclipses Travel WEST to EAST?

02:23

Why Aren't There Eclipses Every Month?

03:42

Should You Wipe Off Your Sweat?

04:31

The LAST Eclipse in History

05:18

But What IS A Lens Flare?

11:13

The Bizarre Physics of Electric Guitars

04:46

Geosynchronous Orbits are WEIRD

06:37

Why Penrose Tiles Never Repeat

03:14

Freezing water expands. What if you don't let it?

03:41

You're Technically HOTTER Than The Sun (with XKCD!)

04:05

Passing A Portal Through Itself

06:26

How Many Fossils to Go an Inch? (ft. Robert Krulwich)

04:57

Another Portal Paradox

07:33

The Trinity of Quality

01:35

Announcing...

03:44

Most Collisions Are Secretly in One Dimension

07:13

Is Anything on the Internet Real?

06:17

The Problem With The Butterfly Effect

03:12

(A book with the answer)

03:27

The Rocket & String Paradox

05:35

A Better Way To Picture Atoms

03:03

Windmills Are NOT Like Dams

04:16

Why Do Boats Make This Shape?

03:27

The Physics of Windmill Design

06:09

General Relativity Explained in 7 Levels of Difficulty

06:41

Why LESS Sensitive Tests Might Be Better

07:11

Why Masks Work BETTER Than You'd Think

06:08

The Astounding Physics of N95 Masks

07:16

How To Tell If We're Beating COVID-19

05:02

How to Tell Matter From Antimatter | CP Violation & The Ozma Problem

03:09

Reimagining the Periodic Table

03:24

Why Do Mirrors Flip Left & Right (but not up & down)?

03:14

Do Photons Cast Shadows?

04:52

The Man Who Corrected Einstein

02:33

When It's OK to Violate Privacy

12:32

Protecting Privacy with MATH (Collab with the Census)

03:55

How to Build a Lava Moat (with xkcd)

03:04

Why Some Days Aren’t 24 Hours

06:04

Einstein's Biggest Blunder, Explained

05:08

The Portal Paradox

05:38

Our Ignorance About Gravity

06:00

I Had to Build a Custom Mute Switch for my Violin

05:52

How Shor's Algorithm Factors 314191

17:31

How Quantum Computers Break Encryption | Shor's Algorithm Explained

06:12

Why Do Compressed Air Cans Get Cold?

06:08

How ISPs Violate the Laws of Mathematics

02:53

Shells of Cosmic Time (ft. @AstroKatie)

02:43

How To Make MUONS

04:55

Hardy's Paradox | Quantum Double Double Slit Experiment

04:34

Impossible Muons

06:28

Legitimate Cold Fusion Exists | Muon-Catalyzed Fusion

04:32

How To Stop Structures from SHAKING: LEGO Saturn V Tuned Mass Damper

04:05

The Twins Paradox Hands-On Explanation | Special Relativity Ch. 8

03:23

The Physics of Caramel: How To Make a Caramelized Sugar Cube

21:44

Feynman's Lost Lecture (ft. 3Blue1Brown)

07:26

Spacetime Intervals: Not EVERYTHING is Relative | Special Relativity Ch. 7

04:21

Extraterrestrial Cycloids - Why Are They on Europa?

05:07

Relativistic Addition of Velocity | Special Relativity Ch. 6

07:17

Length Contraction and Time Dilation | Special Relativity Ch. 5